feat: Implement role-based access control and enhance permissions system

types.d.ts

@@ -1,5 +1,6 @@
 /// <reference types="@cloudflare/workers-types" />
 
+
 declare global {
   interface CloudflareEnv {
     DB: D1Database;
@@ -8,4 +9,14 @@ declare global {
   type Env = CloudflareEnv
 }
 
+declare module "next-auth" {
+  interface User {
+    roles?: { name: string }[]
+  }
+  
+  interface Session {
+    user: User
+  }
+}
+
 export type { Env }